Individual provider Active NPI

Elise Barrett Halajian Mayer, DO

  • Family Medicine Physician
  • Chicago, IL
National Provider Identifier
1669609897
Registry record updated May 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
036.128660 Issued in IL
Practice address
4600 N Ravenswood Ave
2ND Floor
Chicago, IL 60640-4510
Phone
(773) 561-7500
Fax
(773) 561-7612
NPI assigned
Jun 15, 2009
Last updated
May 27, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 27, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 036.128660 IL Primary

Addresses

Primary practice location

4600 N Ravenswood Ave
2ND Floor
Chicago, IL 60640-4510

Mailing address

29373 Network PL
Chicago, IL 60673-4510
Phone (847) 390-5900

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address ehalajian206202@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120725001017 IL Practitioner - Family PracticePractitioner - Dermatology 6204092869 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Midwestern University, Chicago College of Osteopathic Med, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

214 McHenry Rd
Buffalo Grove, IL 60089-6748
Phone (847) 459-1160

4600 N Ravenswood Ave
Chicago, IL 60640-4510
Phone (773) 561-7500

836 W Wellington
Suite G346
Chicago, IL 60657-5147
Phone (773) 296-7147

836 W Wellington Ave
Chicago, IL 60657-5147

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
036.128660ILMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Erie Family Health Center, Inc CurrentSince Sep 22, 2015 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Jan 1, 2014 Accepting new patients
Erie Family Health Center Inc CurrentSince Sep 22, 2015 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients
Erie Family Health Center, Inc Current Accepting new patients
Advocate Health & Hospitals Corporation CurrentSince Jan 1, 2014 Accepting new patients
Advocate North Side Health Network Past Accepting new patients

Locations

595 William R Latham SR Dr
Bourbonnais, IL 60914
Phone (815) 932-8944

135 N Arlington Heights Rd
Buffalo Grove, IL 60089
Phone (847) 215-8866

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

1301 E 47th St
Chicago, IL 60653
Phone (773) 493-8212

1504 S Albany Ave
Chicago, IL 60623

1701 W Superior St
Chicago, IL 60622
Phone (312) 432-7392

1701 W Superior St
Fl 3
Chicago, IL 60622
Phone (312) 432-2056

251 E Huron St
Chicago, IL 60611

29373 Network Pl
Chicago, IL 60673

Interoperability endpoints

  • Direct secure messaging: ehalajian206202@direct.myadvocateaurora.org

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1245024000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748304000000",
    "number": "1669609897",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606734510",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4600 N RAVENSWOOD AVE",
            "address_2": "2ND FLOOR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606404510",
            "telephone_number": "773-561-7500",
            "fax_number": "773-561-7612"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALAJIAN MAYER",
        "first_name": "ELISE",
        "middle_name": "BARRETT",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-06-15",
        "last_updated": "2025-05-27",
        "certification_date": "2025-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036.128660",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ehalajian206202@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4600 N Ravenswood Ave",
            "address_2": "2nd Floor",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606404510",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4600 N Ravenswood Ave",
            "address_2": "2nd Floor",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606404510",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.